private class send_absent extends AsyncTask<Void, Void, Boolean>{
        @Override
        protected void onPreExecute() {
            super.onPreExecute();

            dialog.setCancelable(false);
            dialog.show();

        }

        @Override
        protected Boolean doInBackground(Void... voids) {
            JSONObject adb = storedata(longitude.toString(),latitude.toString(),alamat);
             fs = new FileTransfer();
             boolean status = fs.ftpReport(imageStoragePath,adb,AbsensiActivity.this);



            return status;
        }

        @Override
        protected void onPostExecute(Boolean aBoolean) {
            super.onPostExecute(aBoolean);

           try {
               if (aBoolean){
                   dialog.dismiss();
                   new KAlertDialog(AbsensiActivity.this, KAlertDialog.SUCCESS_TYPE)
                           .setTitleText("Success")
                           .setContentText("Success Absent")
                           .setConfirmText("Yes")
                           .setConfirmClickListener(new KAlertDialog.OnSweetClickListener() {
                               @Override
                               public void onClick(KAlertDialog kAlertDialog) {
                                   Intent in = new Intent(AbsensiActivity.this,HistoryActivity.class);
                                   startActivity(in);
                                   finish();
                               }
                           })
                           .show();
               }else{
                   dialog.dismiss();
                   new KAlertDialog(AbsensiActivity.this, KAlertDialog.ERROR_TYPE)
                           .setTitleText("Oops...")
                           .setContentText("Something went wrong!")
                           .show();
               }
           }catch (Exception e){
               dialog.dismiss();
               new KAlertDialog(AbsensiActivity.this, KAlertDialog.ERROR_TYPE)
                       .setTitleText("Oops...")
                       .setContentText("Something went wrong! "+e)
                       .show();
           }
        }
    }